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2. umpf
A statement made when you are bored/annoyed about something, similar to a sigh but way more intense.
Guy1: Are you going to Matt's house later on?
Guy2: No! I am stuck here with those homeworks, umpf!
1. umpf
Having strength or power.

Power, Strength, Energy, Might, Force, Potency, Ability, Excite
The car doesn't have enough umpf to get up the steep hill.
3. umpf
A word that represents the sound made when one craves sexual intercourse.
God damn I wanna just umpf the fuck out of that hot bitch Gabby...
4. Umpf
The sound a wretched whore makes after a swift strike to the vagina.
" Bitch! Where's my money?? ((kick at the uterus)) UMPF!!!"
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